#!/bin/sh /etc/rc.common
#
# Copyright (C) 2017 openwrt-ssr
# Copyright (C) 2017 yushi studio <ywb94@qq.com>
# Copyright (C) 2018 lean <coolsnowwolf@gmail.com>
#
# This is free software, licensed under the GNU General Public License v3.
# See /LICENSE for more information.
#

START=95
STOP=15
SERVICE_DAEMONIZE=1
EXTRA_COMMANDS=rules
MAXFD=32768
NAME=shadowsocksr
LOCK_FILE=/var/lock/${NAME}.lock
CONFIG_FILE=/var/etc/${NAME}.json
CONFIG_UDP_FILE=/var/etc/${NAME}_u.json
CONFIG_SOCK5_FILE=/var/etc/${NAME}_s.json
CONFIG_NETFLIX_FILE=/var/etc/${NAME}_n.json
server_count=0
redir_tcp=0
redir_udp=0
tunnel_enable=0
local_enable=0
kcp_enable_flag=0
kcp_flag=0
pdnsd_enable_flag=0
switch_enable=0
switch_server=$1
CRON_FILE=/etc/crontabs/root
threads=1

uci_get_by_name() {
	local ret=$(uci get $NAME.$1.$2 2>/dev/null)
	echo ${ret:=$3}
}

uci_get_by_type() {
	local ret=$(uci get $NAME.@$1[0].$2 2>/dev/null)
	echo ${ret:=$3}
}

uci_set_by_name() {
	uci set $NAME.$1.$2=$3 2>/dev/null
	uci commit $NAME
}

uci_set_by_type() {
	uci set $NAME.@$1[0].$2=$3 2>/dev/null
	uci commit $NAME
}

uci_get_by_cfgid() {
	local ret=$(uci show $NAME.@$1[0].$2 | awk -F '.' '{print $2}' 2>/dev/null)
	echo ${ret:=$3}
}

get_host_ip() {
	local host=$1
	local isip=""
	local ip=$host
	isip=$(echo $host | grep -E "([0-9]{1,3}[\.]){3}[0-9]{1,3}")
	if [ -z "$isip" ]; then
		if [ "$host" != "${host#*:[0-9a-fA-F]}" ]; then
			ip=$host
		else
			local ip=$(resolveip -4 -t 3 $host | awk 'NR==1{print}')
			[ -z "$ip" ] && ip=$(wget -q -O- http://119.29.29.29/d?dn=$1 | awk -F ';' '{print $1}')
		fi
	fi
	echo ${ip:="ERROR"}
}

clean_log() {
	logsnum=$(cat /tmp/ssrplus.log 2>/dev/null | wc -l)
	[ "$logsnum" -gt 1000 ] && {
		echo "$(date "+%Y-%m-%d %H:%M:%S") 日志文件过长，清空处理！" >/tmp/ssrplus.log
	}
}

add_cron() {
	touch $CRON_FILE
	sed -i '/shadowsocksr/d' $CRON_FILE
	[ $(uci_get_by_type server_subscribe auto_update 0) -eq 1 ] && echo "0 $(uci_get_by_type server_subscribe auto_update_time) * * * /usr/share/shadowsocksr/ssrplusupdate.sh >>/tmp/ssrplus.log 2>&1" >>$CRON_FILE
	crontab $CRON_FILE
}

del_cron() {
	sed -i '/shadowsocksr/d' $CRON_FILE
	sed -i '/ssrplus.log/d' $CRON_FILE
	/etc/init.d/cron restart
	clean_log
}

unlock() {
	failcount=1
	while [ "$failcount" -le 10 ]; do
		if [ -f "$LOCK_FILE" ]; then
			let "failcount++"
			sleep 1s
			[ "$failcount" -ge 10 ] && rm -f "$LOCK_FILE"
		else
			break
		fi
	done
}

find_bin() {
	case "$1" in
	ss) ret="/usr/bin/ss-redir" ;;
	ss-local) ret="/usr/bin/ss-local" ;;
	ssr) ret="/usr/bin/ssr-redir" ;;
	ssr-local) ret="/usr/bin/ssr-local" ;;
	ssr-server) ret="/usr/bin/ssr-server" ;;
	v2ray | vless) ret="/usr/bin/v2ray/v2ray" && [ ! -f "$ret" ] && ret="/usr/bin/v2ray" ;;
	trojan) ret="/usr/sbin/trojan" ;;
	naiveproxy) ret="/usr/bin/naive" ;;
	socks5 | tun) ret="/usr/sbin/redsocks2" ;;
	esac
	echo $ret
}

gen_config_file() {
	local hostip=$(get_host_ip $(uci_get_by_name $1 server))
	if [ "$hostip" == "ERROR" ]; then
		hostip=$(uci_get_by_name $1 ip)
	else
		uci_set_by_name $1 ip $hostip
	fi
	[ "$2" == "0" -a "$kcp_flag" == "1" ] && hostip="127.0.0.1"
	case "$2" in
	0) config_file=$CONFIG_FILE ;;
	1) config_file=$CONFIG_UDP_FILE ;;
	2) config_file=$CONFIG_NETFLIX_FILE ;;
	*) config_file=$CONFIG_SOCK5_FILE ;;
	esac
	if [ $(uci_get_by_name $1 fast_open 0) == "1" ]; then
		fastopen="true"
	else
		fastopen="false"
	fi
	local type=$(uci_get_by_name $1 type)
	case "$type" in
	ss)
		cat <<-EOF >$config_file
			{
			"server": "$hostip",
			"server_port": $(uci_get_by_name $1 server_port),
			"local_address": "0.0.0.0",
			"local_port": $3,
			"password": "$(uci_get_by_name $1 password)",
			"timeout": $(uci_get_by_name $1 timeout 60),
			"method": "$(uci_get_by_name $1 encrypt_method_ss)",
			"reuse_port": true,
			"fast_open": $fastopen
			}
		EOF
		local plugin=$(uci_get_by_name $1 plugin)
		if [ -n "$plugin" ]; then
			[ "$plugin" == "simple-obfs" ] && plugin="obfs-local"
			if [ -x "/usr/bin/$plugin" ]; then
				sed -i "s@$hostip\",@$hostip\",\n\"plugin\": \"$plugin\",\n\"plugin_opts\": \"$(uci_get_by_name $1 plugin_opts)\",@" $config_file
			else
				echo "$(date "+%Y-%m-%d %H:%M:%S") Warning!!! SIP003 plugin $plugin not found!!!" >>/tmp/ssrplus.log
			fi
		fi
		;;
	ssr)
		cat <<-EOF >$config_file
			{
			"server": "$hostip",
			"server_port": $(uci_get_by_name $1 server_port),
			"local_address": "0.0.0.0",
			"local_port": $3,
			"password": "$(uci_get_by_name $1 password)",
			"timeout": $(uci_get_by_name $1 timeout 60),
			"method": "$(uci_get_by_name $1 encrypt_method)",
			"protocol": "$(uci_get_by_name $1 protocol)",
			"protocol_param": "$(uci_get_by_name $1 protocol_param)",
			"obfs": "$(uci_get_by_name $1 obfs)",
			"obfs_param": "$(uci_get_by_name $1 obfs_param)",
			"reuse_port": true,
			"fast_open": $fastopen
			}
		EOF
		;;
	v2ray | vless)
		lua /usr/share/shadowsocksr/gen${type}config.lua $GLOBAL_SERVER tcp $(uci_get_by_name $1 local_port) >/var/etc/v2-ssr-retcp.json
		sed -i 's/\\//g' /var/etc/v2-ssr-retcp.json
		;;
	trojan)
		lua /usr/share/shadowsocksr/gentrojanconfig.lua $GLOBAL_SERVER nat $(uci_get_by_name $1 local_port) >/var/etc/trojan-ssr-retcp.json
		sed -i 's/\\//g' /var/etc/trojan-ssr-retcp.json
		;;
	naiveproxy)
		case "$2" in
		0) PROTO="redir"; FILE_NAME="retcp" ;;
		1) PROTO="redir"; FILE_NAME="netflix" ;;
		2) PROTO="socks"; FILE_NAME="socksdns" ;;
		3) PROTO="socks"; FILE_NAME="local" ;;
		esac
		cat <<-EOF >/var/etc/naive-ssr-$FILE_NAME.json
			{
			"listen": "$PROTO://0.0.0.0:$3",
			"proxy": "https://$(uci_get_by_name $1 username):$(uci_get_by_name $1 password)@$(uci_get_by_name $1 server):$(uci_get_by_name $1 server_port)"
			}
		EOF
		;;
	esac
}

gen_service_file() {
	if [ $(uci_get_by_name $1 fast_open) == "1" ]; then
		fastopen="true"
	else
		fastopen="false"
	fi
	cat <<-EOF >$2
		{
		"server": "0.0.0.0",
		"server_port": $(uci_get_by_name $1 server_port),
		"password": "$(uci_get_by_name $1 password)",
		"timeout": $(uci_get_by_name $1 timeout 60),
		"method": "$(uci_get_by_name $1 encrypt_method)",
		"protocol": "$(uci_get_by_name $1 protocol)",
		"protocol_param": "$(uci_get_by_name $1 protocol_param)",
		"obfs": "$(uci_get_by_name $1 obfs)",
		"obfs_param": "$(uci_get_by_name $1 obfs_param)",
		"fast_open": $fastopen
		}
	EOF
}

gen_serv_include() {
	FWI=$(uci get firewall.shadowsocksr.path 2>/dev/null)
	[ -n "$FWI" ] || return 0
	if [ ! -f $FWI ]; then
		echo '#!/bin/sh' >$FWI
	fi
	extract_rules() {
		echo "*filter"
		iptables-save -t filter | grep SSR-SERVER-RULE | sed -e "s/^-A INPUT/-I INPUT/"
		echo 'COMMIT'
	}
	cat <<-EOF >>$FWI
		iptables-save -c | grep -v "SSR-SERVER" | iptables-restore -c
		iptables-restore -n <<-EOT
		$(extract_rules)
		EOT
	EOF
}

start_dns() {
	local ssr_dns="$(uci_get_by_type global pdnsd_enable 0)"
	local dnsstr="$(uci_get_by_type global tunnel_forward 8.8.4.4:53)"
	local dnsserver=$(echo "$dnsstr" | awk -F ':' '{print $1}')
	local dnsport=$(echo "$dnsstr" | awk -F ':' '{print $2}')
	start_pdnsd() {
		local usr_dns="$1"
		local usr_port="$2"
		[ -z "$usr_dns" ] && usr_dns="8.8.8.8"
		[ -z "$usr_port" ] && usr_port="53"
		[ -d /var/etc ] || mkdir -p /var/etc
		if [ ! -f "/var/pdnsd/pdnsd.cache" ]; then
			mkdir -p /var/pdnsd
			touch /var/pdnsd/pdnsd.cache
			chown -R nobody:nogroup /var/pdnsd
		fi
		cat <<-EOF >/var/etc/pdnsd.conf
			global{
			perm_cache=1024;
			cache_dir="/var/pdnsd";
			pid_file="/var/run/pdnsd.pid";
			run_as="nobody";
			server_ip=127.0.0.1;
			server_port=5335;
			status_ctl=on;
			query_method=tcp_only;
			min_ttl=1h;
			max_ttl=1w;
			timeout=10;
			neg_domain_pol=on;
			proc_limit=2;
			procq_limit=8;
			par_queries=1;
			}
			server{
			label="ssr-usrdns";
			ip=$usr_dns;
			port=$usr_port;
			timeout=6;
			uptest=none;
			interval=10m;
			purge_cache=off;
			}
		EOF
		/usr/sbin/pdnsd -c /var/etc/pdnsd.conf >/dev/null 2>&1 &
	}
	if [ "$ssr_dns" != "0" ]; then
		case "$run_mode" in
		gfw) ipset add gfwlist $dnsserver 2>/dev/null ;;
		oversea) ipset add oversea $dnsserver 2>/dev/null ;;
		*) ipset add ss_spec_wan_ac $dnsserver nomatch 2>/dev/null ;;
		esac
	fi
	case "$ssr_dns" in
	1)
		start_pdnsd $dnsserver $dnsport
		pdnsd_enable_flag=1
		;;
	2)
		microsocks -i 127.0.0.1 -p 10802 ssr-dns >/dev/null 2>&1 &
		dns2socks 127.0.0.1:10802 $dnsserver:$dnsport 127.0.0.1:5335 -q >/dev/null 2>&1 &
		pdnsd_enable_flag=2
		;;
	esac
}

start_redir_tcp() {
	local type=$(uci_get_by_name $GLOBAL_SERVER type)
	local bin=$(find_bin $type)
	redir_tcp=1
	[ ! -f "$bin" ] && echo "$(date "+%Y-%m-%d %H:%M:%S") Main node:Can't find $bin program, can't start!" >>/tmp/ssrplus.log && redir_tcp=0 && return 1
	case "$(uci_get_by_name $GLOBAL_SERVER auth_enable)" in
	1 | on | true | yes | enabled) ARG_OTA="-A" ;;
	*) ARG_OTA="" ;;
	esac
	local kcp_enable=$(uci_get_by_name $GLOBAL_SERVER kcp_enable 0)
	if [ "$kcp_enable" == "1" ]; then
		[ ! -f "/usr/bin/kcptun-client" ] && return 1
		local kcp_str=$(/usr/bin/kcptun-client -v | grep kcptun | wc -l)
		[ "0" == "$kcp_str" ] && return 1
		local kcp_port=$(uci_get_by_name $GLOBAL_SERVER kcp_port)
		local server_port=$(uci_get_by_name $GLOBAL_SERVER server_port)
		local password=$(uci_get_by_name $GLOBAL_SERVER kcp_password)
		local kcp_param=$(uci_get_by_name $GLOBAL_SERVER kcp_param)
		[ "$password" != "" ] && password="--key "$password
		service_start /usr/bin/kcptun-client \
		-r $kcp_server:$kcp_port \
		-l :$server_port $password $kcp_param
		kcp_enable_flag=1
	fi
	gen_config_file $GLOBAL_SERVER 0 $(uci_get_by_name $GLOBAL_SERVER local_port 1234)
	if [ "$(uci_get_by_type global threads 0)" == "0" ]; then
		threads=$(cat /proc/cpuinfo | grep 'processor' | wc -l)
	else
		threads=$(uci_get_by_type global threads)
	fi
	case "$type" in
	ss | ssr)
		local last_config_file=$CONFIG_FILE
		local name="Shadowsocks"
		[ "$type" == "ssr" ] && name="ShadowsocksR"
		for i in $(seq 1 $threads); do
			$bin -c $CONFIG_FILE $ARG_OTA -f /var/run/ssr-retcp_$i.pid >/dev/null 2>&1
		done
		echo "$(date "+%Y-%m-%d %H:%M:%S") Main node:$name $threads Threads Started!" >>/tmp/ssrplus.log
		;;
	v2ray | vless)
		$bin -config /var/etc/v2-ssr-retcp.json >/dev/null 2>&1 &
		echo "$(date "+%Y-%m-%d %H:%M:%S") Main node:$($bin -version | head -1) Started!" >>/tmp/ssrplus.log
		;;
	trojan)
		for i in $(seq 1 $threads); do
			$bin --config /var/etc/trojan-ssr-retcp.json >/dev/null 2>&1 &
		done
		echo "$(date "+%Y-%m-%d %H:%M:%S") Main node:$($bin --version 2>&1 | head -1) , $threads Threads Started!" >>/tmp/ssrplus.log
		;;
	naiveproxy)
		$bin /var/etc/naive-ssr-retcp.json >/dev/null 2>&1 &
		echo "$(date "+%Y-%m-%d %H:%M:%S") Main node:$($bin --version 2>&1 | head -1) Started!" >>/tmp/ssrplus.log
		;;
	socks5)
		/usr/share/shadowsocksr/genred2config.sh "/var/etc/redsocks-ssr-retcp.conf" socks5 tcp $(uci_get_by_name $GLOBAL_SERVER local_port) \
		$(get_host_ip $(uci_get_by_name $GLOBAL_SERVER server)) $(uci_get_by_name $GLOBAL_SERVER server_port) \
		$(uci_get_by_name $GLOBAL_SERVER auth_enable 0) $(uci_get_by_name $GLOBAL_SERVER username) $(uci_get_by_name $GLOBAL_SERVER password)
		for i in $(seq 1 $threads); do
			$bin -c /var/etc/redsocks-ssr-retcp.conf >/dev/null 2>&1
		done
		echo "$(date "+%Y-%m-%d %H:%M:%S") Main node:Socks5 REDIRECT/TPROXY $threads Threads Started!" >>/tmp/ssrplus.log
		;;
	tun)
		/usr/share/shadowsocksr/genred2config.sh "/var/etc/redsocks-ssr-retcp.conf" vpn $(uci_get_by_name $GLOBAL_SERVER iface "br-lan") $(uci_get_by_name $GLOBAL_SERVER local_port)
		for i in $(seq 1 $threads); do
			$bin -c /var/etc/redsocks-ssr-retcp.conf >/dev/null 2>&1
		done
		echo "$(date "+%Y-%m-%d %H:%M:%S") Main node:Network Tunnel REDIRECT $threads Threads Started!" >>/tmp/ssrplus.log
		;;
	esac
	return 0
}

start_redir_udp() {
	if [ -n "$UDP_RELAY_SERVER" ]; then
		redir_udp=1
		local type=$(uci_get_by_name $UDP_RELAY_SERVER type)
		local bin=$(find_bin $type)
		[ ! -f "$bin" ] && echo "$(date "+%Y-%m-%d %H:%M:%S") UDP TPROXY Relay:Can't find $bin program, can't start!" >>/tmp/ssrplus.log && redir_udp=0 && return 1
		case "$type" in
		ss | ssr)
			case "$(uci_get_by_name $UDP_RELAY_SERVER auth_enable)" in
			1 | on | true | yes | enabled) ARG_OTA="-A" ;;
			*) ARG_OTA="" ;;
			esac
			local name="Shadowsocks"
			[ "$type" == "ssr" ] && name="ShadowsocksR"
			gen_config_file $UDP_RELAY_SERVER 1 $(uci_get_by_name $UDP_RELAY_SERVER local_port 1234)
			last_config_file=$CONFIG_UDP_FILE
			$bin -c $last_config_file $ARG_OTA -U -f /var/run/ssr-reudp.pid >/dev/null 2>&1
			echo "$(date "+%Y-%m-%d %H:%M:%S") UDP TPROXY Relay:$name Started!" >>/tmp/ssrplus.log
			;;
		v2ray | vless)
			lua /usr/share/shadowsocksr/gen${type}config.lua $UDP_RELAY_SERVER udp $(uci_get_by_name $UDP_RELAY_SERVER local_port) >/var/etc/v2-ssr-reudp.json
			sed -i 's/\\//g' /var/etc/v2-ssr-reudp.json
			$bin -config /var/etc/v2-ssr-reudp.json >/dev/null 2>&1 &
			echo "$(date "+%Y-%m-%d %H:%M:%S") UDP TPROXY Relay:$($bin -version | head -1) Started!" >>/tmp/ssrplus.log
			;;
		trojan)
			lua /usr/share/shadowsocksr/gentrojanconfig.lua $GLOBAL_SERVER client 10801 >/var/etc/trojan-ssr-reudp.json
			sed -i 's/\\//g' /var/etc/trojan-ssr-reudp.json
			$bin --config /var/etc/trojan-ssr-reudp.json >/dev/null 2>&1 &
			ipt2socks -U -b 0.0.0.0 -4 -s 127.0.0.1 -p 10801 -l $(uci_get_by_name $UDP_RELAY_SERVER local_port) >/dev/null 2>&1 &
			echo "$(date "+%Y-%m-%d %H:%M:%S") UDP TPROXY Relay:$($bin --version 2>&1 | head -1) Started!" >>/tmp/ssrplus.log
			;;
		naiveproxy)
			redir_udp=0
			echo "$(date "+%Y-%m-%d %H:%M:%S") $($bin --version | head -1) UDP TPROXY Relay not supported!" >>/tmp/ssrplus.log
			;;
		socks5)
			/usr/share/shadowsocksr/genred2config.sh "/var/etc/redsocks-ssr-reudp.conf" socks5 udp $(uci_get_by_name $UDP_RELAY_SERVER local_port) \
			$(get_host_ip $(uci_get_by_name $UDP_RELAY_SERVER server)) $(uci_get_by_name $UDP_RELAY_SERVER server_port) \
			$(uci_get_by_name $UDP_RELAY_SERVER auth_enable 0) $(uci_get_by_name $UDP_RELAY_SERVER username) $(uci_get_by_name $UDP_RELAY_SERVER password)
			$bin -c /var/etc/redsocks-ssr-reudp.conf >/dev/null 2>&1
			echo "$(date "+%Y-%m-%d %H:%M:%S") UDP TPROXY Relay:Socks5 REDIRECT/TPROXY Started!" >>/tmp/ssrplus.log
			;;
		tun)
			redir_udp=0
			echo "$(date "+%Y-%m-%d %H:%M:%S") Network Tunnel UDP TPROXY Relay not supported!" >>/tmp/ssrplus.log
			;;
		esac
	fi
	return 0
}

start_shunt() {
	if [ "$NETFLIX_SERVER" != "nil" ] && [ "$NETFLIX_SERVER" != "$GLOBAL_SERVER" ]; then
		local type=$(uci_get_by_name $NETFLIX_SERVER type)
		local bin=$(find_bin $type)
		[ ! -f "$bin" ] && echo "$(date "+%Y-%m-%d %H:%M:%S") Netflix shunt:Can't find $bin program, can't start!" >>/tmp/ssrplus.log && return 1
		case "$type" in
		ss | ssr)
			local bin2=$(find_bin $type-local)
			[ ! -f "$bin2" ] && echo "$(date "+%Y-%m-%d %H:%M:%S") Netflix shunt:Can't find $bin2 program, can't start!" >>/tmp/ssrplus.log && return 2
			local name="Shadowsocks"
			[ "$type" == "ssr" ] && name="ShadowsocksR"
			gen_config_file $NETFLIX_SERVER 2 4321
			gen_config_file $NETFLIX_SERVER 3 1088
			$bin -c /var/etc/shadowsocksr_n.json $ARG_OTA -f /var/run/ssr-netflix.pid >/dev/null 2>&1
			$bin2 -c /var/etc/shadowsocksr_s.json $ARG_OTA -f /var/run/ssr-socksdns.pid >/dev/null 2>&1
			dns2socks 127.0.0.1:1088 8.8.8.8:53 127.0.0.1:5555 -q >/dev/null 2>&1 &
			echo "$(date "+%Y-%m-%d %H:%M:%S") Netflix shunt:$name Started!" >>/tmp/ssrplus.log
			;;
		v2ray | vless)
			lua /usr/share/shadowsocksr/gen${type}config.lua $NETFLIX_SERVER tcp 4321 1088 >/var/etc/v2-ssr-netflix.json
			sed -i 's/\\//g' /var/etc/v2-ssr-netflix.json
			$bin -config /var/etc/v2-ssr-netflix.json >/dev/null 2>&1 &
			dns2socks 127.0.0.1:1088 8.8.8.8:53 127.0.0.1:5555 -q >/dev/null 2>&1 &
			echo "$(date "+%Y-%m-%d %H:%M:%S") Netflix shunt:$($bin -version | head -1) Started!" >>/tmp/ssrplus.log
			;;
		trojan)
			lua /usr/share/shadowsocksr/gentrojanconfig.lua $NETFLIX_SERVER nat 4321 >/var/etc/trojan-ssr-netflix.json
			sed -i 's/\\//g' /var/etc/trojan-ssr-netflix.json
			$bin --config /var/etc/trojan-ssr-netflix.json >/dev/null 2>&1 &
			lua /usr/share/shadowsocksr/gentrojanconfig.lua $NETFLIX_SERVER client 1088 >/var/etc/trojan-ssr-socksdns.json
			sed -i 's/\\//g' /var/etc/trojan-ssr-socksdns.json
			$bin --config /var/etc/trojan-ssr-socksdns.json >/dev/null 2>&1 &
			dns2socks 127.0.0.1:1088 8.8.8.8:53 127.0.0.1:5555 -q >/dev/null 2>&1 &
			echo "$(date "+%Y-%m-%d %H:%M:%S") Netflix shunt:$($bin --version 2>&1 | head -1) Started!" >>/tmp/ssrplus.log
			;;
		naiveproxy)
			gen_config_file $NETFLIX_SERVER 1 4321
			$bin /var/etc/naive-ssr-netflix.json >/dev/null 2>&1 &
			gen_config_file $NETFLIX_SERVER 2 1088
			$bin /var/etc/naive-ssr-socksdns.json >/dev/null 2>&1 &
			dns2socks 127.0.0.1:1088 8.8.8.8:53 127.0.0.1:5555 -q >/dev/null 2>&1 &
			echo "$(date "+%Y-%m-%d %H:%M:%S") Netflix shunt:$($bin --version | head -1) Started!" >>/tmp/ssrplus.log
			;;
		socks5)
			/usr/share/shadowsocksr/genred2config.sh "/var/etc/redsocks-ssr-netflix.conf" socks5 tcp 4321 \
			$(get_host_ip $(uci_get_by_name $NETFLIX_SERVER server)) $(uci_get_by_name $NETFLIX_SERVER server_port) \
			$(uci_get_by_name $NETFLIX_SERVER auth_enable 0) $(uci_get_by_name $NETFLIX_SERVER username) $(uci_get_by_name $NETFLIX_SERVER password)
			$bin -c /var/etc/redsocks-ssr-netflix.conf >/dev/null 2>&1
			microsocks -i 127.0.0.1 -p 1088 ssr-socksdns >/dev/null 2>&1 &
			dns2socks 127.0.0.1:1088 8.8.8.8:53 127.0.0.1:5555 -q >/dev/null 2>&1 &
			echo "$(date "+%Y-%m-%d %H:%M:%S") Netflix shunt:Socks5 Started!" >>/tmp/ssrplus.log
			;;
		tun)
			/usr/share/shadowsocksr/genred2config.sh "/var/etc/redsocks-ssr-netflix.conf" vpn $(uci_get_by_name $NETFLIX_SERVER iface "br-lan") 4321
			$bin -c /var/etc/redsocks-ssr-netflix.conf >/dev/null 2>&1
			microsocks -i 127.0.0.1 -p 1088 ssr-socksdns >/dev/null 2>&1 &
			dns2socks 127.0.0.1:1088 8.8.8.8:53 127.0.0.1:5555 -q >/dev/null 2>&1 &
			echo "$(date "+%Y-%m-%d %H:%M:%S") Netflix shunt:Network Tunnel REDIRECT Started!" >>/tmp/ssrplus.log
			;;
		esac
	fi
	return 0
}

start_local() {
	local local_server=$(uci_get_by_type socks5_proxy server nil)
	[ "$local_server" == "nil" ] && return 1
	[ "$local_server" == "same" ] && local_server=$GLOBAL_SERVER
	local type=$(uci_get_by_name $local_server type)
	local bin=$(find_bin $type)
	[ ! -f "$bin" ] && echo "$(date "+%Y-%m-%d %H:%M:%S") Global_Socks5:Can't find $bin program, can't start!" >>/tmp/ssrplus.log && local_enable=0 && return 1
	case "$type" in
	ss | ssr)
		local name="Shadowsocks"
		local bin=$(find_bin $type-local)
		[ ! -f "$bin" ] && echo "$(date "+%Y-%m-%d %H:%M:%S") Global_Socks5:Can't find $bin program, can't start!" >>/tmp/ssrplus.log && local_enable=0 && return 1
		[ "$type" == "ssr" ] && name="ShadowsocksR"
		gen_config_file $local_server 3 $(uci_get_by_type socks5_proxy local_port 1080)
		$bin -c $CONFIG_SOCK5_FILE -u -f /var/run/ssr-local.pid >/dev/null 2>&1
		echo "$(date "+%Y-%m-%d %H:%M:%S") Global_Socks5:$name Started!" >>/tmp/ssrplus.log
		;;
	v2ray | vless)
		lua /usr/share/shadowsocksr/gen${type}config.lua $local_server tcp 0 $(uci_get_by_type socks5_proxy local_port 1080) >/var/etc/v2-ssr-local.json
		sed -i 's/\\//g' /var/etc/v2-ssr-local.json
		$bin -config /var/etc/v2-ssr-local.json >/dev/null 2>&1 &
		echo "$(date "+%Y-%m-%d %H:%M:%S") Global_Socks5:$($bin -version | head -1) Started!" >>/tmp/ssrplus.log
		;;
	trojan)
		lua /usr/share/shadowsocksr/gentrojanconfig.lua $local_server client $(uci_get_by_type socks5_proxy local_port 1080) >/var/etc/trojan-ssr-local.json
		sed -i 's/\\//g' /var/etc/trojan-ssr-local.json
		$bin --config /var/etc/trojan-ssr-local.json >/dev/null 2>&1 &
		echo "$(date "+%Y-%m-%d %H:%M:%S") Global_Socks5:$($bin --version 2>&1 | head -1) Started!" >>/tmp/ssrplus.log
		;;
	naiveproxy)
		gen_config_file $local_server 3 $(uci_get_by_type socks5_proxy local_port 1080)
		$bin /var/etc/naive-ssr-local.json >/dev/null 2>&1 &
		echo "$(date "+%Y-%m-%d %H:%M:%S") Global_Socks5:$($bin --version | head -1) Started!" >>/tmp/ssrplus.log
		;;
	*)
		[ -e /proc/sys/net/ipv6 ] && local listenip='-i ::'
		microsocks $listenip -p $(uci_get_by_type socks5_proxy local_port 1080) ssr-local >/dev/null 2>&1 &
		echo "$(date "+%Y-%m-%d %H:%M:%S") Global_Socks5:$type Started!" >>/tmp/ssrplus.log
		;;
	esac
	local_enable=1
	return 0
}

start_server() {
	SERVER_ENABLE=$(uci_get_by_type server_global enable_server 0)
	[ "$SERVER_ENABLE" == "0" ] && return 0
	server_service() {
		[ $(uci_get_by_name $1 enable 0) == "0" ] && return 1
		let server_count=server_count+1
		if [ "$server_count" == "1" ]; then
			if ! (iptables-save -t filter | grep SSR-SERVER-RULE >/dev/null); then
				iptables -N SSR-SERVER-RULE && \
				iptables -t filter -I INPUT -j SSR-SERVER-RULE
			fi
		fi
		if [ "$(uci_get_by_name $1 type ssr)" == "ssr" ]; then
			local bin=$(find_bin ssr-server)
			[ ! -f "$bin" ] && echo "$(date "+%Y-%m-%d %H:%M:%S") Server:Can't find $bin program, can't start!" >>/tmp/ssrplus.log && return 1
			gen_service_file $1 /var/etc/${NAME}_$server_count.json
			$(find_bin ssr-server) -c /var/etc/${NAME}_$server_count.json -u -f /var/run/ssr-server$server_count.pid >/dev/null 2>&1
			echo "$(date "+%Y-%m-%d %H:%M:%S") Server:ShadowsocksR Server$server_count Started!" >>/tmp/ssrplus.log
		else
			[ -e /proc/sys/net/ipv6 ] && local listenip='-i ::'
			microsocks $listenip -p $(uci_get_by_name $1 server_port) -1 -u $(uci_get_by_name $1 username) -P $(uci_get_by_name $1 password) ssr-server$server_count >/dev/null 2>&1 &
			echo "$(date "+%Y-%m-%d %H:%M:%S") Server:Socks5 Server$server_count Started!" >>/tmp/ssrplus.log
		fi
		iptables -t filter -A SSR-SERVER-RULE -p tcp --dport $(uci_get_by_name $1 server_port) -j ACCEPT
		iptables -t filter -A SSR-SERVER-RULE -p udp --dport $(uci_get_by_name $1 server_port) -j ACCEPT
		return 0
	}
	mkdir -p /var/run /var/etc
	config_load $NAME
	config_foreach server_service server_config
	gen_serv_include
	return 0
}

start_switch() {
	if [ "$(uci_get_by_type global enable_switch 0)" == "1" ]; then
		if [ -z "$switch_server" ]; then
			local switch_time=$(uci_get_by_type global switch_time)s
			local switch_timeout=$(uci_get_by_type global switch_timeout)
			service_start /usr/bin/ssr-switch start $switch_time $switch_timeout
			switch_enable=1
		fi
	fi
}

start_monitor() {
	if [ $(uci_get_by_type global monitor_enable 1) == "1" ]; then
		let total_count=server_count+redir_tcp+redir_udp+tunnel_enable+kcp_enable_flag+local_enable+pdnsd_enable_flag+switch_enable
		if [ $total_count -gt 0 ]; then
			service_start /usr/bin/ssr-monitor $server_count $redir_tcp $redir_udp $tunnel_enable $kcp_enable_flag $local_enable $pdnsd_enable_flag $switch_enable
		fi
	fi
}

check_server() {
	ENABLE_SERVER=$(uci_get_by_type global global_server nil)
	if [ "$ENABLE_SERVER" == "nil" ]; then
		return 1
	else
		local STYPE=$(uci_get_by_name $ENABLE_SERVER type nil)
		if [ "$STYPE" == "nil" ]; then
			local CFGID=$(uci_get_by_cfgid servers type nil)
			if [ "$CFGID" == "nil" ]; then
				uci_set_by_type global global_server 'nil'
			else
				uci_set_by_type global global_server $CFGID
			fi
			/etc/init.d/shadowsocksr restart
		fi
	fi
}

start_rules() {
	local server=$(get_host_ip $(uci_get_by_name $GLOBAL_SERVER server))
	if [ "$server" == "ERROR" ]; then
		server=$(uci_get_by_name $GLOBAL_SERVER ip)
	fi
	local kcp_enable=$(uci_get_by_name $GLOBAL_SERVER kcp_enable 0)
	if [ $kcp_enable == "1" ]; then
		kcp_server=$server
		kcp_flag=1
	fi
	local local_port=$(uci_get_by_name $GLOBAL_SERVER local_port)
	local lan_ac_ips=$(uci_get_by_type access_control lan_ac_ips)
	local lan_ac_mode=$(uci_get_by_type access_control lan_ac_mode)
	local router_proxy=$(uci_get_by_type access_control router_proxy)
	if [ "$GLOBAL_SERVER" == "$UDP_RELAY_SERVER" -a "$kcp_flag" == "0" ]; then
		ARG_UDP="-u"
	elif [ -n "$UDP_RELAY_SERVER" ]; then
		ARG_UDP="-U"
		local udp_server=$(uci_get_by_name $UDP_RELAY_SERVER server)
		local udp_local_port=$(uci_get_by_name $UDP_RELAY_SERVER local_port)
	fi
	if [ -n "$lan_ac_ips" ]; then
		case "$lan_ac_mode" in
		w | W | b | B) local ac_ips="$lan_ac_mode$lan_ac_ips" ;;
		esac
	fi
	#deal gfw firewall rule
	local gfwmode=""
	case "$run_mode" in
	gfw) gfwmode="-g" ;;
	router) gfwmode="-r" ;;
	oversea) gfwmode="-c" ;;
	all) gfwmode="-z" ;;
	esac
	local dports=$(uci_get_by_type global dports 1)
	if [ $dports == "1" ]; then
		proxyport=" "
	else
		proxyport="-m multiport --dports 22,53,587,465,995,993,143,80,443,853"
	fi
	if [ "$NETFLIX_SERVER" != "nil" ]; then
		if [ "$NETFLIX_SERVER" != "$GLOBAL_SERVER" ]; then
			netflix="1"
		else
			netflix="2"
		fi
	else
		netflix="0"
	fi
	get_arg_out() {
		case "$(uci_get_by_type access_control router_proxy 1)" in
		1) echo "-o" ;;
		2) echo "-O" ;;
		esac
	}
	netflix_ip=$(get_host_ip $(uci_get_by_name $NETFLIX_SERVER server))
	if [ "$netflix_ip" == "ERROR" ]; then
		netflix_ip=$(uci_get_by_name $NETFLIX_SERVER ip)
	fi
	/usr/bin/ssr-rules \
	-s "$server" \
	-l "$local_port" \
	-S "$udp_server" \
	-L "$udp_local_port" \
	-a "$ac_ips" \
	-i "/etc/ssr/china_ssr.txt" \
	-b "$(uci_get_by_type access_control wan_bp_ips)" \
	-w "$(uci_get_by_type access_control wan_fw_ips)" \
	-B "$(uci_get_by_type access_control lan_bp_ips)" \
	-p "$(uci_get_by_type access_control lan_fp_ips)" \
	-G "$(uci_get_by_type access_control lan_gm_ips)" \
	-D "$proxyport" \
	-F "$netflix" \
	-N "$netflix_ip" \
	-M "$(uci_get_by_type global netflix_proxy 0)" \
	-I "/etc/ssr/netflixip.list" \
	$(get_arg_out) $gfwmode $ARG_UDP
	return $?
}

rules() {
	if [ "$GLOBAL_SERVER" == "nil" ]; then
		return 1
	fi
	mkdir -p /var/run /var/etc
	run_mode=$(uci_get_by_type global run_mode)
	UDP_RELAY_SERVER=$(uci_get_by_type global udp_relay_server)
	[ "$UDP_RELAY_SERVER" == "same" ] && UDP_RELAY_SERVER=$GLOBAL_SERVER
	if start_rules; then
		return 0
	else
		return 1
	fi
}

start() {
	[ -f "$LOCK_FILE" ] && exit 2
	touch "$LOCK_FILE"
	echo "-----------start-----------" >>/tmp/ssrplus.log
	if [ -z "$switch_server" ]; then
		GLOBAL_SERVER=$(uci_get_by_type global global_server nil)
	else
		GLOBAL_SERVER=$switch_server
		switch_enable=1
	fi
	NETFLIX_SERVER=$(uci_get_by_type global netflix_server nil)
	if [ "$NETFLIX_SERVER" == "same" ]; then
		NETFLIX_SERVER=$GLOBAL_SERVER
	fi
	mkdir -p /tmp/dnsmasq.d /tmp/dnsmasq.ssr
	cat <<-EOF >/tmp/dnsmasq.d/dnsmasq-ssr.conf
		conf-dir=/tmp/dnsmasq.ssr
	EOF
	if rules; then
		if start_redir_tcp; then
			start_redir_udp
			start_shunt
			start_switch
			start_dns
			add_cron
			if [ "$run_mode" == "oversea" ]; then
				cp -rf /etc/ssr/oversea_list.conf /tmp/dnsmasq.ssr/
			else
				cp -rf /etc/ssr/gfw_list.conf /tmp/dnsmasq.ssr/
				cp -rf /etc/ssr/gfw_base.conf /tmp/dnsmasq.ssr/
			fi
			/usr/share/shadowsocksr/gfw2ipset.sh $switch_server
		else
			/usr/bin/ssr-rules -f
		fi
	else
		awk '!/^$/&&!/^#/{printf("address=/%s/''\n",$0)}' /etc/ssr/deny.list >/tmp/dnsmasq.ssr/denylist.conf
		if [ "$(uci_get_by_type global adblock 0)" == "1" ]; then
			[ "$1" == "" ] && cp -f /etc/ssr/ad.conf /tmp/dnsmasq.ssr/
			if [ -f "/tmp/dnsmasq.ssr/ad.conf" ]; then
				for line in $(cat /etc/ssr/black.list); do sed -i "/$line/d" /tmp/dnsmasq.ssr/ad.conf; done
				for line in $(cat /etc/ssr/white.list); do sed -i "/$line/d" /tmp/dnsmasq.ssr/ad.conf; done
				for line in $(cat /etc/ssr/deny.list); do sed -i "/$line/d" /tmp/dnsmasq.ssr/ad.conf; done
			fi
		fi
	fi
	/etc/init.d/dnsmasq restart >/dev/null 2>&1
	start_server
	start_local
	start_monitor
	check_server
	clean_log
	echo "------------end------------" >>/tmp/ssrplus.log
	rm -f $LOCK_FILE
}

boot() {
	ulimit -n 65535
	(/usr/share/shadowsocksr/chinaipset.sh && sleep 3 && start >/dev/null 2>&1) &
}

stop() {
	unlock
	/usr/bin/ssr-rules -f
	local srulecount=$(iptables -L | grep SSR-SERVER-RULE | wc -l)
	if [ $srulecount -gt 0 ]; then
		iptables -F SSR-SERVER-RULE
		iptables -t filter -D INPUT -j SSR-SERVER-RULE
		iptables -X SSR-SERVER-RULE 2>/dev/null
	fi
	if [ -z "$switch_server" ]; then
		ps -w | grep -v "grep" | grep ssr-switch | awk '{print $1}' | xargs kill -9 >/dev/null 2>&1 &
		rm -f /var/lock/ssr-switch.lock
		killall -q -9 kcptun-client
	fi
	ps -w | grep -v "grep" | grep ssr-monitor | awk '{print $1}' | xargs kill -9 >/dev/null 2>&1 &
	ps -w | grep -v "grep" | grep "sleep $(uci_get_by_type global switch_time)s" | awk '{print $1}' | xargs kill -9 >/dev/null 2>&1 &
	ps -w | grep -v "grep" | grep "sleep 30s" | awk '{print $1}' | xargs kill -9 >/dev/null 2>&1 &
	killall -q -9 ss-redir ss-local obfs-local ssr-redir ssr-local ssr-server v2ray v2ray-plugin trojan naive microsocks ipt2socks dns2socks redsocks2 pdnsd
	rm -f /var/lock/ssr-chinaipset.lock /var/lock/ssr-monitor.lock
	if [ -f "/tmp/dnsmasq.d/dnsmasq-ssr.conf" ]; then
		rm -rf /tmp/dnsmasq.d/dnsmasq-ssr.conf /tmp/dnsmasq.ssr /tmp/dnsmasq.oversea
		/etc/init.d/dnsmasq restart >/dev/null 2>&1
	fi
	del_cron
}
